AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Stud Turnlock Fastener |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 00-792-0988 (007920988) |
| NCB Code | USA (00) |
| Manufacturer | Sps Technologies Inc, Lockheed Martin Corporation, Altek Systems Inc, Alcoa Global Fasteners Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATQ | GRIP LENGTH | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| ABMZ | DIAMETER | 0.523 INCHES NOMINAL |
| ADQB | SECURING DEVICE TYPE | RING |
| AGQY | TURNLOCK STUD SHANK STYLE | STUD SHANK |
| AGRD | TURNLOCK STUD HEAD STYLE | FLAT COUNTERSUNK |
| AKCV | DRIVE TYPE | SOCKET |
| ALBJ | STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.250-28 UNF |
| CSGB | STUD SHANK MAJOR DIAMETER | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AGJR | MINOR DIAMETER | 0.334 INCHES NOMINAL |
| AGRC | EXTENSION LENGTH | 0.361 INCHES NOMINAL |
| AGSM | MATERIAL ACCOMMODATED THICKNESS | 0.548 INCHES MINIMUM AND 0.610 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| Relevant Components for NSN - 5325-00-792-0988, 5325007920988 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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